How to Identify and Attract a Tree Swallow
Tree swallows arrive early in spring and may even stay all winter. When insects are unavailable, a tree swallow eats bayberries and seeds.
Tree Swallow Facts
Scientific Name: Tachycineta bicolor
Length: 5-3/4 inches
Wingspan: 14-1/2 inches
Distinctive Markings: Males are iridescent greenish-blue above and white below. Female may be duller.
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Nest and Eggs
The female builds nest in a cavity using grass, needles and feathers, and lays up to eight white eggs. Nest boxes designed for bluebirds also attract this swallow.
What Does a Tree Swallow Eat?
The hardiest swallow, it arrives early in spring and even winters over in some localities. When insects are unavailable, the tree swallow feeds mostly on bayberries; some wintering birds have also been seen picking seeds from pond ice. To attract them, grow native plants to attract bugs.
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Tree Swallow Song
Listen to the tree swallow’s song. Typically an early-morning singer, the song is a pleasant gurgling chatter when in flight.
Bird songs provided by the Cornell Lab of Ornithology.
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Range Map and Habitat
Look for these birds in open areas with scattered trees and water.
Range maps provided by Kaufman Field Guides, the official field guide of Birds & Blooms.